08 wp7 push notification

Windows Phone 7

Li Jingnan / Wang Tao2011-7-15

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08 Push Notification

Wang Tao / 2011-07-15

Windows Phone Microsoft Corporation.

Session Outline overview titles toast raw notification service

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3 kinds of notifications

Raw notification message content is app-specific delivered directly to app only if it’s running

Toast specific xml schema Content delivered to app if it’s running If app is not running, system displays Toast popup using notification message

content Tile

specific xml schema Never delivered to app If user has pinned to app tile, system updates it using notification message content

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Raw

Raw updates it using notification message

content

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Toast

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Tile

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What is Push ？

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Push VS Pull

Client-PullServer-Push

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push notification(PN)

WP7 提供的一种允许服务器主动向 WP7 客户端直接发送通知的机制 服务器端主动发起 发送的是“通知”

避免了 Client-Pull 通信模式的中多次轮询 更省电 更省网络流量

给用户制造一种“多任务”的感觉 便于创建高互动性的 WP7 网络应用程序（如 IM ）

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3 notifications Tile Notification

效果：更新 Tile( 瓷片 ) 显示 格式：特定格式 XML 片段 无论应用程序当前是否运行都接收

Toast Notification 效果：弹出 Toast 提示，用户可点击以启动应

用程序 格式：特定格式 XML 片段 只有当应用程序未运行时才接收

RAW Notification 效果：由应用程序控制 格式：自由格式二进制序列 只有当应用程序正在运行时才接收1

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New photos online!

Seattle, WA: Sunny and 85 degrees

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3 notifications

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Title

Sub-Title

content

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PN & battery

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极低电量状态不发送任何通知

低电量状态只发送 RAW 通

知

正常电量状态发送所有通知

MPNS 将根据设备电量状态决定是否将通知发送到设备

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PN basic

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Client:Windows Phone Device

Microsoft Push Notification Service (MPNS)

Provider:Web Application / Cloud Service

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PN process

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Push client

MPNSYour

service

Tile

App

Toast

Send push data to URI

Send push data to

client

Send URI to server

Open push channelReturn URIData to App

Data to toast

Data to tile

Event

Open Chanel

Return Chanel URI

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PN program model

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建立服务端Web Service。功能：a) 接收客户端 Chanle URI 并保存在列表中b) 向 MPN S发送通知

建立WP7客户端端应用程序。功能：a) 向 MPNS注册 Chanelb) 将 Chanel URI 提交给服务端c) 接收通知并处理、显示

Windows Phone Microsoft Corporation.

send notification// <Notification Channel URI> 在 Chanel 创建时由 MPNS 生成，是 Chanel 的唯一标识string subscriptionUri = "<Notification Channel URI>";

HttpWebRequest sendNotificationRequest = (HttpWebRequest)WebRequest.Create(subscriptionUri);

// 必须使用 POST 方法发送通知sendNotificationRequest.Method = "POST";

// 添加 HTTP 头 X-MessageID 作为消息标识（可选） sendNotificationRequest.Headers.Add("X-MessageID", "<UUID>");

sendNotificationRequest.ContentLength = notificationMessage.Length;

// 设置要发送的通知内容 <payload>

byte[] notificationMessage = new byte[] {<payload>};

using (Stream requestStream = sendNotificationRequest.GetRequestStream()) { requestStream.Write(notificationMessage, 0, notificationMessage.Length); }

// 向 MPNS 发送通知并获取响应HttpWebResponse response = (HttpWebResponse)sendNotificationRequest.GetResponse();

// 从响应的 HTTP 头中提取相关结果string notificationStatus = response.Headers["X-NotificationStatus"];

string notificationChannelStatus = response.Headers["X-SubscriptionStatus"];

string deviceConnectionStatus = response.Headers["X-DeviceConnectionStatus"];21

Windows Phone Microsoft Corporation.

tile notification

sendNotificationRequest.ContentType = "text/xml";

sendNotificationRequest.Headers.Add("X-WindowsPhone-Target", "token");

sendNotificationRequest.Headers.Add("X-NotificationClass", “1");

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tile notification HTTP header

string tileMessage = "<?xml version=\"1.0\" encoding=\"utf-8\"?>" +"<wp:Notification xmlns:wp=\"WPNotification\">" + "<wp:Tile>" + "<wp:BackgroundImage><background image path></wp:BackgroundImage>" + "<wp:Count><count></wp:Count>" + "<wp:Title><title></wp:Title>" + "</wp:Tile> " +"</wp:Notification>";

tile notification content

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toast

sendNotificationRequest.ContentType = "text/xml";

sendNotificationRequest.Headers.Add("X-WindowsPhone-Target", "toast");

sendNotificationRequest.Headers.Add("X-NotificationClass", “1");

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Toast http header

string toastMessage = "<?xml version=\"1.0\" encoding=\"utf-8\"?>" +"<wp:Notification xmlns:wp=\"WPNotification\">" + "<wp:Toast>" + "<wp:Text1><string></wp:Text1>" + "<wp:Text2><string></wp:Text2>" + "</wp:Toast>" +"</wp:Notification>";

Toast content

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send notification// <Notification Channel URI> 在 Chanel 创建时由 MPNS 生成，是 Chanel 的唯一标识string subscriptionUri = "<Notification Channel URI>";

HttpWebRequest sendNotificationRequest = (HttpWebRequest)WebRequest.Create(subscriptionUri);

// 必须使用 POST 方法发送通知sendNotificationRequest.Method = "POST";

// 添加 HTTP 头 X-MessageID 作为消息标识（可选） sendNotificationRequest.Headers.Add("X-MessageID", "<UUID>");

sendNotificationRequest.ContentLength = notificationMessage.Length;

// 设置要发送的通知内容 <payload>

byte[] notificationMessage = new byte[] {<payload>};

using (Stream requestStream = sendNotificationRequest.GetRequestStream()) { requestStream.Write(notificationMessage, 0, notificationMessage.Length); }

// 向 MPNS 发送通知并获取响应HttpWebResponse response = (HttpWebResponse)sendNotificationRequest.GetResponse();

// 从响应的 HTTP 头中提取相关结果string notificationStatus = response.Headers["X-NotificationStatus"];

string notificationChannelStatus = response.Headers["X-SubscriptionStatus"];

string deviceConnectionStatus = response.Headers["X-DeviceConnectionStatus"];24

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raw notificaition

sendNotificationRequest.Headers.Add("X-NotificationClass", “1");

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RAW http header

new byte[] {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08};

RAW http content

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demo04 notification

/ title/ toast/ raw/ notification service

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Click to add picturethank youthank youwww.anytao.com

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© 2011 Microsoft Corporation.

All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.

The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation.

MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

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